Abstract

Symptomatic evaluation using Eckardt score and achalasia-specific health-related quality-of-life and physiological evaluation using timed barium examination (TBE) and high-resolution manometry is integral to the diagnosis of achalasia. However, the correlation of physiological outcomes with symptomatic outcomes and their role in routine follow-up after laparoscopic Heller cardiomyotomy (LHCM) is controversial. In this study, we evaluated the role of physiological testing in achalasia patients undergoing LHCM and its correlation with symptomatic evaluation. Case records of patients undergoing LHCM for achalasia between January 2017 and March 2020 were reviewed for symptom scores (Eckardt score and achalasia-specific health-related quality-of-life) and physiological parameters [5-min column height on TBE and median integrated relaxation pressure (IRP) on high-resolution manometry]. Sixty-one patients with complete data in the preoperative period and on follow-up were included in the study. The data was analyzed for symptomatic and physiological outcomes and their correlation using paired t test and the Spearman correlation test. At a median follow-up of 16 months following LHCM, there was a significant improvement in Eckardt score (7.03±1.53 to 0.93±1.10, P<0.001), achalasia-specific health-related quality-of-life (58.34±7.81 to 14.57±13.45, P<0.001), column height on TBE (115.14±46.9 to 27.89±34.31, P<0.001) and IRP (23.95±8.26 to 4.61±4.11, P<0.001). Eckardt score correlated significantly with achalasia-specific health-related quality-of-life scores preoperatively (ρ=0.410, P<0.001) and on follow-up (ρ=0.559, P<0.001). There was no correlation between symptomatic parameters and physiological parameters. In patients of achalasia, LHCM leads to significant improvement in symptomatic and physiological parameters. Symptom scores correlate among themselves but not with physiological scores. Thus, physiological testing may not be needed for routine follow-up.

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